    <%@page pageEncoding="UTF-8" %>
    <%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
    <c:set var="ctx" value="${pageContext.request.contextPath}"/>
    <script>
        var ctx="${ctx}/";
    </script>
    <!doctype html>
    <html lang="zh-cmn">
    <head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
        <base href="${ctx}/"/>
    <link rel="stylesheet" href="webjars/css/bootstrap.css">
    <link rel="stylesheet" href="webjars/css/bootstrap-table.css">
        <link rel="stylesheet" href="webjars/fonts/css/font-awesome.css">
    <link rel="stylesheet" href="webjars/css/sweetalert2.min.css">
    <link rel="stylesheet" href="webjars/css/toastr.css">
        <link rel="stylesheet" href="${ctx}/static/css/fileinput.css">
        <link rel="stylesheet" href="webjars/css/bootstrap-treeview.css">
    </head>
    <body>